261857856

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{104911}}^1$

素因数の和:104939

約数の個数: 56

約数和(自身を含む): 746134144

約数和(自身を除く): 484276288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 104911, 209822, 314733, 419644, 629466, 839288, 1258932, 1363843, 1678576, 2517864, 2727686, 3357152, 4091529, 5035728, 5455372, 6714304, 8183058, 10071456, 10910744, 16366116, 20142912, 21821488, 32732232, 43642976, 65464464, 87285952, 130928928, 261857856]

約数ペア:

[(1, 261857856), (2, 130928928), (3, 87285952), (4, 65464464), (6, 43642976), (8, 32732232), (12, 21821488), (13, 20142912), (16, 16366116), (24, 10910744), (26, 10071456), (32, 8183058), (39, 6714304), (48, 5455372), (52, 5035728), (64, 4091529), (78, 3357152), (96, 2727686), (104, 2517864), (156, 1678576), (192, 1363843), (208, 1258932), (312, 839288), (416, 629466), (624, 419644), (832, 314733), (1248, 209822), (2496, 104911)]